RxMapMidToContext - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// midatlax.h

PVOID RxMapMidToContext(
  PRX_MID_ATLAS MidAtlas,
  USHORT        Mid
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-midatlax-rxmapmidtocontext)

RxMapMidToContext function

Description

RxMapMidToContext maps a Multiplex ID (MID) to its associated context in a MID_ATLAS structure.

Parameters

MidAtlas

A pointer to the MID_ATLAS structure.

Mid

The multiplex ID to be mapped.

Return value

RxMapMidToContext returns a pointer to the associated context, or NULL if none exists.

Remarks

RDBSS defines a Multiplex ID (MID), a 16-bit value, that can be used by both the network client (mini-redirector) and the server to distinguish between the concurrently active requests on any connection. A MID is a component of a MID_ATLAS data structure allocated by calling RxCreateMidAtlas. A MID_MAP data structure is allocated and used for mapping MIDs to RX_CONTEXT data structures.

See also

RxAssociateContextWithMid

RxCreateMidAtlas

RxDestroyMidAtlas

RxMapAndDissociateMidFromContext

RxReassociateMid

View the official Windows Driver Kit DDI reference

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